Sazykinaite-(Y)
A valid IMA mineral species
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About Sazykinaite-(Y)
Formula:
Na5YZr[SiO3]6 · 6H2O
Colour:
Light green to yellow
Lustre:
Vitreous
Hardness:
5
Specific Gravity:
2.67
Crystal System:
Trigonal
Member of:
Name:
Named in honor of Ludmila Borisovna Sazykina (Людмила Борисовна Сазыкина) (b. 27 June 1934, Leningrad, USSR), Russian mineralogist and artist of the Kola peninsula, Murmanskaja Oblast', Russia.
This page provides mineralogical data about Sazykinaite-(Y).
Unique Identifiers
Mindat ID:
3547
Long-form identifier:
mindat:1:1:3547:3
GUID
(UUID V4):
(UUID V4):
07da0a30-bacf-4ec4-b01b-5f30179a2bfd
IMA Classification of Sazykinaite-(Y)
Approved
IMA Formula:
Na5YZrSi6O18 · 6H2O
First published:
1993
Classification of Sazykinaite-(Y)
9.DM.10
9 : SILICATES (Germanates)
D : Inosilicates
M : Inosilicates with 6-periodic single chains
9 : SILICATES (Germanates)
D : Inosilicates
M : Inosilicates with 6-periodic single chains
59.2.3.3
59 : CYCLOSILICATES Three-Membered Rings
2 : Three-Membered Rings, hydrated
59 : CYCLOSILICATES Three-Membered Rings
2 : Three-Membered Rings, hydrated
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Szn-Y | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Sazykinaite-(Y)
Vitreous
Transparency:
Transparent, Translucent
Colour:
Light green to yellow
Streak:
White
Hardness:
5 on Mohs scale
Tenacity:
Fragile
Cleavage:
Imperfect/Fair
imperfect cleavage {0112}
imperfect cleavage {0112}
Density:
2.67(5) g/cm3 (Measured) 2.74 g/cm3 (Calculated)
Optical Data of Sazykinaite-(Y)
Type:
Uniaxial (-)
RI values:
nω = 1.585 nε = 1.578
Max Birefringence:
δ = 0.007
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Chemistry of Sazykinaite-(Y)
Mindat Formula:
Na5YZr[SiO3]6 · 6H2O
Crystallography of Sazykinaite-(Y)
Crystal System:
Trigonal
Class (H-M):
3 2 - Trapezohedral
Space Group:
R3 2
Cell Parameters:
a = 10.825(5) Å, c = 15.809(4) Å
Ratio:
a:c = 1 : 1.46
Unit Cell V:
1,604.32 ų (Calculated from Unit Cell)
Z:
3
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0014193 | Sazykinaite-(Y) | Rastsvetaeva R K, Khomyakov A P (1992) Crystal structure of a rare earth analog of hilairite Kristallografiya 37 1561-1563 | 1992 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
6.03 Å | (32) |
5.40 Å | (63) |
3.236 Å | (84) |
3.127 Å | (88) |
3.030 Å | (100) |
2.708 Å | (19) |
2.018 Å | (18) |
1.805 Å | (21) |
Comments:
Koashva Mountain, Kola Peninsula, Russia. The data are from the type description.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 4b: Highly evolved igneous rocks | >3.0 |
35 : Ultra-alkali and agpaitic igneous rocks |
Type Occurrence of Sazykinaite-(Y)
General Appearance of Type Material:
Forms intergrowths with labuntsovite. Occurs typically as rhombohedral crystals up to 0.5-2 mm across.
Place of Conservation of Type Material:
Type material is at the Fersman Mineralogical Museum, Moscow, and the Museum of the Gorny Institute, Saint Petersburg, Russia.
Associated Minerals at Type Locality:
Reference:
Khomyakov, A.P., Nechelyustov, G.N. & Rastvetaeva, R.K. (1993): Sazykinaite-(Y), Na5YZrSi6O18·6H2O – a new mineral. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva 122(5), 76-82 (in Russian with English abstract).
Synonyms of Sazykinaite-(Y)
Other Language Names for Sazykinaite-(Y)
Russian:Сазыкинаит-(Y)
Relationship of Sazykinaite-(Y) to other Species
Member of:
Other Members of this group:
Calciohilairite | CaZr[SiO3]3 · 3H2O | Trig. 3 2 : R3 2 |
Hilairite | Na2Zr[SiO3]3 · 3H2O | Trig. 3 2 : R3 2 |
Komkovite | BaZr[Si3O9] · 3H2O | Trig. 3 2 : R3 2 |
Pyatenkoite-(Y) | Na5YTi[SiO3]6 · 6H2O | Trig. 3 2 : R3 2 |
Common Associates
Associated Minerals Based on Photo Data:
6 photos of Sazykinaite-(Y) associated with Kostylevite | K2Zr(Si3O9) · H2O |
5 photos of Sazykinaite-(Y) associated with Aegirine | NaFe3+Si2O6 |
3 photos of Sazykinaite-(Y) associated with Sitinakite | KNa2Ti4(SiO4)2O5(OH) · 4H2O |
3 photos of Sazykinaite-(Y) associated with Albite | Na(AlSi3O8) |
3 photos of Sazykinaite-(Y) associated with Lemmleinite-K | K2(Ti,Nb)2(Si4O12)(OH,O)2 · 4H2O |
1 photo of Sazykinaite-(Y) associated with Rhabdophane-(Ce) | Ce(PO4) · 0.6H2O |
1 photo of Sazykinaite-(Y) associated with Lamprophyllite | (Na,Mn2+)3(Sr,Na)2(Ti,Fe3+)3(Si2O7)2O2(OH,O,F)2 |
1 photo of Sazykinaite-(Y) associated with Natrolite | Na2Al2Si3O10 · 2H2O |
Related Minerals - Strunz-mindat Grouping
9.DM. | Kesebolite-(Ce) | CeCa2Mn(AsO4)(SiO3)3 |
9.DM.05 | Stokesite | CaSn[Si3O9] · 2H2O |
9.DM.10 | Calciohilairite | CaZr[SiO3]3 · 3H2O |
9.DM.10 | Hilairite | Na2Zr[SiO3]3 · 3H2O |
9.DM.10 | Komkovite | BaZr[Si3O9] · 3H2O |
9.DM.10 | Pyatenkoite-(Y) | Na5YTi[SiO3]6 · 6H2O |
9.DM.15 | Gaidonnayite | Na2Zr(Si3O9) · 2H2O |
9.DM.15 | Georgechaoite | NaKZr[Si3O9] · 2H2O |
9.DM.15 | Plumbogaidonnayite | PbZrSi3O9 · 2H2O |
9.DM.20 | Chkalovite | Na2BeSi2O6 |
9.DM.25 | Vlasovite | Na2ZrSi4O11 |
9.DM.30 | Revdite | Na16Si16O27(OH)26 · 28H2O |
9.DM.35 | Scheuchzerite | Na(Mn,Mg,Zn)9[VSi9O28(OH)](OH)3 |
9.DM.40 | Hydroterskite | Na2ZrSi6O12(OH)6 |
9.DM.40 | Terskite | Na4ZrSi6O16 · 2H2O |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Sazykinaite-(Y)
mindat.org URL:
https://www.mindat.org/min-3547.html
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References for Sazykinaite-(Y)
Localities for Sazykinaite-(Y)
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Canada | |
| HORVÁTH et al. (2000) |
Russia | |
| Arzamastsev et al. (2008) |
Arzamastsev et al. (2008) | |
| The Mineralogical Record: 27: 204. +4 other references |
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Koashva Open Pit, Koashva Mt, Khibiny Massif, Murmansk Oblast, Russia